Finding the Fourth Proportional to 371,604.24, 512,815.32 and 201,841.20
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Solution
The fourth proportional to 371,604.24, 512,815.32 and 201,841.20 is: 278,541.65
Step by Step Solution
- Step 1: Write the proportion equation
371,604.24 : 512,815.32 = 201,841.20 : x - Step 2: Convert to fraction form
371,604.24/512,815.32 = 201,841.20/x - Step 3: Cross multiply
371,604.24x = 512,815.32 × 201,841.20 - Step 4: Simplify right side
371,604.24x = 103,507,259,567.18 - Step 5: Solve for x
x = 103,507,259,567.18/371,604.24 - Step 6: Final answer
x = 278,541.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.